Finding the Fourth Proportional to 94,904.37, 130,961.79 and 54,611.63
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Solution
The fourth proportional to 94,904.37, 130,961.79 and 54,611.63 is: 75,360.46
Step by Step Solution
- Step 1: Write the proportion equation
94,904.37 : 130,961.79 = 54,611.63 : x - Step 2: Convert to fraction form
94,904.37/130,961.79 = 54,611.63/x - Step 3: Cross multiply
94,904.37x = 130,961.79 × 54,611.63 - Step 4: Simplify right side
94,904.37x = 7,152,036,164.81 - Step 5: Solve for x
x = 7,152,036,164.81/94,904.37 - Step 6: Final answer
x = 75,360.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.